Coolant Drains - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Engine / Exhaust / Cooling
\ From the radiator, through the case and out
the exhaust. If it has to do with the cooling,
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post #1 of 17 (permalink) Old 01-11-2014, 08:49 AM Thread Starter
Ndr
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Coolant Drains

Can anyone tell me if there is anything supposed to be plugging this hole? Or something attached to it?

I don't recall taking any bolts out from here, never-mind that there aren't even any threads to accept a bolt in the first place.

The channel leads straight into the center hub where the bearings sit. Looks like it would come out between the front of the bearing and the back of the mechanical seal.

I'm thinking that if the Oil seal behind the inner bearing, and the mechanical seal are doing their jobs, no fluid should be getting in this area.

the thing was completely blocked up with dirt and grit.


......I'd rather wake up in the middle of nowhere then in any city on earth.

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post #2 of 17 (permalink) Old 01-11-2014, 09:26 AM
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hi, there is no plug or bolt there, mine has an empty hole like yours.
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post #3 of 17 (permalink) Old 01-11-2014, 09:31 AM
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that is a weep hole in case your mechanical seal goes bad.


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post #4 of 17 (permalink) Old 01-11-2014, 12:03 PM Thread Starter
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Thanks guys, that's kinda what I was thinking, but wanted to be 100% sure.

......I'd rather wake up in the middle of nowhere then in any city on earth.

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post #5 of 17 (permalink) Old 01-11-2014, 12:44 PM
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I've always wondered about this myself. Good question, good pictures, good post.
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post #6 of 17 (permalink) Old 01-11-2014, 02:52 PM
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what ever you do if it ever starts leaking do not stick a dowl rod in it like some idiot did on my dads gl1200 cause it will just push the coolant into the oil instead of out on the ground

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post #7 of 17 (permalink) Old 01-11-2014, 03:36 PM
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My .gl1000 is leaking out the weep hole.gotta do waterpump.haven't ridden her in 2 years cause they are fun to do a waterpump on.

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post #8 of 17 (permalink) Old 01-11-2014, 04:13 PM
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they arent that bad just pull the radiator off and then the trans cover and wah laa your there

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post #9 of 17 (permalink) Old 01-15-2014, 03:32 AM Thread Starter
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Quote:
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what ever you do if it ever starts leaking do not stick a dowl rod in it like some idiot did on my dads gl1200 cause it will just push the coolant into the oil instead of out on the ground
With as much dirt that I pulled out of that weep hole, it may as well have been plugged up with a dowel rod...

......I'd rather wake up in the middle of nowhere then in any city on earth.

*2014 VN900 Custom (16,200 miles and counting)
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post #10 of 17 (permalink) Old 01-15-2014, 03:44 AM Thread Starter
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And along the lines of the cooling system...

I've been wondering about the whole concept of the radiator fan keeping power after turning the engine off. (too cool things off for up to a minute after the engine is off?)

Is this really doing anything for cooling the engine itself, or is it only cooling down whats in the radiator? I assume that there's no auxiliary pump circulating the water through the engine at this point.

In my opinion, I see this as nothing more then a potential drain on the battery given the potential for draining the battery more then is necessary. (especially if the switch fails and grounds itself out keeping the fan on)

I know several on here with bad switches has mounted toggle switches to control the fan when needed.

Would it then be a bad a idea to rewire the system to only have power with the ignition turned on, thereby not allowing the fan to cool the radiator once the power is cut?

......I'd rather wake up in the middle of nowhere then in any city on earth.

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